Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Initial Position Search Nodes

Author: Larry Griffiths

Date: 16:57:41 10/09/00

Go up one level in this thread


On October 09, 2000 at 09:21:36, Steve Maughan wrote:

>Larry,
>
>Yep looks as if we have the same problem!  What are we missing?
>
>>Wish I knew the answer to this Steve.
>>
>>DeepTrouble is even worse...
>>
>>Elapsed Time= 111.88 seconds
>>
>>37 million nodes in 111.88 seconds...   :(
>>
>>
>>Ply ---CAPTURES-- -----MOVES----- -----TOTAL----- BF ---Invalid---
>>9   _____________ _______________ _______________    _____________
>>        5,164,465      32,316,303      37,480,768        1,896,249
>>
>>       Captures/Moves Per Second=         335,024

NOTE:  These results are FULL-WIDTH fixed-depth searches using AB-NegaMax.
I have QSearch and Hash-tables disabled...

If I change my evaluate function so that it always returns a score of zero I
get...

Elapsed Time= 15.77 seconds

Ply ---CAPTURES-- -----MOVES----- -----TOTAL----- BF ---Invalid
  9 _____________ _______________ _______________    _____________ _____________
          421,762      10,594,586      11,016,348           14,702

       Captures/Moves Per Second=         698,785

I got some branching factors of 10 at a couple of plys so I am looking to see if
checkmate occured which would not have returned a score of zero...

Larry.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.